Laundry Detergent Composition Having A Malodor Control Component And Methods Of Laundering Fabrics

ABSTRACT

A detergent laundry composition comprising a malodor control component having at least one volatile aldehyde and an acid catalyst, and methods of laundry detergents are provided.

CROSS REFERENCE TO RELATED APPLICATIONS

This application claims the benefit of U.S. Provisional Application No.61/287,348, filed Dec. 17, 2009 and U.S. Provisional Application No.61/287,369, filed Dec. 17, 2009 and U.S. Provisional No. 61/287,383,filed Dec. 17, 2009.

FIELD OF THE INVENTION

The present invention relates to detergent laundry compositions having amalodor control component, and methods of laundering detergents.

BACKGROUND OF THE INVENTION

Consumers of laundry detergent products desire not only clean clothesfrom their laundry products, but also fresh clothes that do not have amalodor. They especially desire excellent freshness the first time theywear or use a fabric after it has been laundered. Typically, detergentmanufactures have developed sophisticated perfume technology to achievethis improved freshness.

However, not all odors are effectively controlled by products on themarket because amine-based malodors such as fish and urine malodors, andsulfur-based malodors such as garlic, onion, foot, and fecal malodorsare difficult to combat. Further, the time required for a product tonoticeably combat malodors may create consumer doubt as to a product'sefficacy on malodors. For example, the consumer may finish laundering afabric and leave the area before the product begins to noticeably reducethe malodor.

The difficulty in overcoming a broad range of malodors has spawned adiverse assortment of products to neutralize, mask, or contain themalodors. There remains a need for a detergent laundry composition thatquickly neutralizes and is effective on a broad range of malodors,including amine-based and sulfur-based malodors, while not overpoweringmalodors with an overwhelming perfume.

SUMMARY OF THE INVENTION

The present invention relates to a laundry detergent composition asdefined by claim 1.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a graph showing butanethiol reduction by thiophenecarboxaldehyde in combination with various acid catalysts.

DETAILED DESCRIPTION OF THE INVENTION

The present invention relates to a laundry detergent composition forlaundering fabrics and reducing malodors found thereon. The presentinvention also relates to methods of laundering fabrics.

I. Detergent Laundry Composition

The composition can be any form, for example a liquid, gel form, solid,or any combination thereof. The composition may be in any unit doseform, for example a pouch.

Typically, the composition is a fully formulated laundry detergentcomposition, not a portion thereof such as a spray-dried or agglomeratedparticle that only forms part of the laundry detergent composition.However, it is within the scope of the present invention for anadditional rinse additive composition (e.g. fabric conditioner orenhancer), or a main wash additive composition (e.g. bleach additive) toalso be used in combination with the laundry detergent compositionduring the method of the present invention. Although, it may bepreferred for no bleach additive composition is used in combination withthe laundry detergent composition during the method of the presentinvention.

The composition typically comprises detergent ingredients. Suitabledetergent ingredients include: detersive surfactants including anionicdetersive surfactants, non-ionic detersive surfactants, cationicdetersive surfactants, zwitterionic detersive surfactants, amphotericdetersive surfactants, and any combination thereof; polymers includingcarboxylate polymers, polyethylene glycol polymers, polyester soilrelease polymers such as terephthalate polymers, amine polymers,cellulosic polymers, dye transfer inhibition polymers, dye lock polymerssuch as a condensation oligomer produced by condensation of imidazoleand epichlorhydrin, optionally in ratio of 1:4:1, hexamethylenediaminederivative polymers, and any combination thereof; builders includingzeolites, phosphates, citrate, and any combination thereof; buffers andalkalinity sources including carbonate salts and/or silicate salts;fillers including sulphate salts and bio-filler materials; bleachincluding bleach activators, sources of available oxygen, pre-formedperacids, bleach catalysts, reducing bleach, and any combinationthereof; chelants; photobleach; hueing agents; brighteners; enzymesincluding proteases, amylases, cellulases, lipases, xylogucanases,pectate lyases, mannanases, bleaching enzymes, cutinases, and anycombination thereof; fabric softeners including clay, silicones,quaternary ammonium fabric-softening agents, and any combinationthereof; flocculants such as polyethylene oxide; perfume includingstarch encapsulated perfume accords, perfume microcapsules, perfumeloaded zeolites, schif base reaction products of ketone perfume rawmaterials and polyamines, blooming perfumes, and any combinationthereof; aesthetics including soap rings, lamellar aesthetic particles,geltin beads, carbonate and/or sulphate salt speckles, coloured clay,and any combination thereof: and any combination thereof.

Solid particulate laundry detergent composition: In the case of a solidlaundry detergent composition, the composition may comprises a pluralityof chemically different particles, such as spray-dried base detergentparticles and/or agglomerated base detergent particles and/or extrudedbase detergent particles, in combination with one or more, typically twoor more, or three or more, or four or more, or five or more, or six ormore, or even ten or more particles selected from: surfactant particles,including surfactant agglomerates, surfactant extrudates, surfactantneedles, surfactant noodles, surfactant flakes; polymer particles suchas cellulosic polymer particles, polyester particles, polyamineparticles, terephthalate polymer particles, polyethylene glycol polymerparticles; builder particles, such as sodium carbonate and sodiumsilicate co-builder particles, phosphate particles, zeolite particles,silicate salt particles, carbonate salt particles; filler particles suchas sulphate salt particles; dye transfer inhibitor particles; dyefixative particles; bleach particles, such as percarbonate particles,especially coated percarbonate particles, such as percarbonate coatedwith carbonate salt, sulphate salt, silicate salt, borosilicate salt, orany combination thereof, perborate particles, bleach catalyst particlessuch as transition metal bleach catalyst particles, oroxaziridinium-based bleach catalyst particles, pre-formed peracidparticles, especially coated pre-formed peracid particles, and co-bleachparticles of bleach activator, source of hydrogen peroxide andoptionally bleach catalyst; bleach activator particles such asoxybenzene sulphonate bleach activator particles and tetra acetylethylene diamine bleach activator particles; chelant particles such aschelant agglomerates; hueing dye particles; brightener particles; enzymeparticles such as protease prills, lipase prills, cellulase prills,amylase prills, mannanase prills, pectate lyase prills, xyloglucanaseprills, bleaching enzyme prills, cutinase prills and co-prills of any ofthese enzymes; clay particles such as montmorillonite particles orparticles of clay and silicone; flocculant particles such aspolyethylene oxide particles; wax particles such as wax agglomerates;perfume particles such as perfume microcapsules, especially melamineformaldehyde-based perfume microcapsules, starch encapsulated perfumeaccord particles, and pro-perfume particles such as Schiff base reactionproduct particles; aesthetic particles such as coloured noodles orneedles or lamellae particles, and soap rings including coloured soaprings; and any combination thereof.

Liquid laundry detergent composition: The composition may also be inliquid form, for example a liquid or gel form, or any combinationthereof. The composition may be in any unit dose form, for example apouch.

In the case of a liquid laundry detergent composition, the compositionmay include: (i) detersive surfactant comprising anionic detersivesurfactant and non-ionic surfactant, wherein the weight ratio of anionicdetersive surfactant to non-ionic detersive surfactant is greater than1:1; (ii) surfactancy boosting polymer; (iii) from 0 wt % to 10 wt %fatty acid; (iv) silicone suds suppressor; (v) structurant; (vi)enzymes; and (vii) nil-boron enzyme stabilizer. The electrolyticstrength of the composition at a concentration of 1 g/l in de-ionizedwater and at a temperature of 25° C. in mScm⁻¹ is preferably less than200 mScm⁻¹. It may be preferred to keep low levels of fatty acid in thecomposition, and/or to use alkanolamines, preferably tertiaryalkanolamines having a pKa of less than 9.0, or even less than 8.0,preferred are tri-isopropanolamine (TIPA), and/or triethanolamine (TEA),especially preferred is TEA due to its low molecular weight and low pKa,to provide some buffering capacity in the formulation.

Preferably, a liquid laundry detergent composition comprises: (i)detersive surfactant comprising anionic detersive surfactant andnon-ionic surfactant, wherein the weight ratio of anionic detersivesurfactant to non-ionic detersive surfactant is greater than 1:1; andoptionally wherein the anionic detersive surfactant has a hydrophilicindex (HI_(C)) of from 8.0 to 9.1; (ii) surfactancy boosting polymer;(iii) from 0 wt % to 5 wt % fatty acid; (iv) silicone suds suppressor;(v) structurant; (vi) enzymes; and (vii) non-boron enzyme stabilizer;and wherein the electrolytic strength of the composition at aconcentration of 1 g/l in de-ionized water and at a temperature of 25°C. in mScm⁻¹ is preferably less than 200 mScm⁻¹.

Detersive surfactant: The composition typically comprises detersivesurfactant. Suitable detersive surfactants include anionic detersivesurfactants, non-ionic detersive surfactant, cationic detersivesurfactants, zwitterionic detersive surfactants, amphoteric detersivesurfactants, and any combination thereof.

Anionic detersive surfactant: Suitable anionic detersive surfactantsinclude sulphate and sulphonate detersive surfactants.

Suitable sulphonate detersive surfactants include alkyl benzenesulphonate, such as C₁₀₋₁₃ alkyl benzene sulphonate. Suitable alkylbenzene sulphonate (LAS) is obtainable, or even obtained, bysulphonating commercially available linear alkyl benzene (LAB); suitableLAB includes low 2-phenyl LAB, such as those supplied by Sasol under thetradename Isochem® or those supplied by Petresa under the tradenamePetrelab®, other suitable LAB include high 2-phenyl LAB, such as thosesupplied by Sasol under the tradename Hyblene®. Another suitable anionicdetersive surfactant is alkyl benzene sulphonate that is obtained byDETAL catalyzed process, although other synthesis routes, such as HF,may also be suitable.

Suitable sulphate detersive surfactants include alkyl sulphate, such asC₈₋₁₈ alkyl sulphate, or predominantly C₁₂ alkyl sulphate. The alkylsulphate may be derived from natural sources, such as coco and/ortallow. Alternative, the alkyl sulphate may be derived from syntheticsources such as C₁₂₋₁₅ alkyl sulphate.

Another suitable sulphate detersive surfactant is alkyl alkoxylatedsulphate, such as alkyl ethoxylated sulphate, or a C₈₋₁₈ alkylalkoxylated sulphate, or a C₈₋₁₈ alkyl ethoxylated sulphate. The alkylalkoxylated sulphate may have an average degree of alkoxylation of from0.5 to 20, or from 0.5 to 10. The alkyl alkoxylated sulphate may be aC₈₋₁₈ alkyl ethoxylated sulphate, typically having an average degree ofethoxylation of from 0.5 to 10, or from 0.5 to 7, or from 0.5 to 5 orfrom 0.5 to 3.

The alkyl sulphate, alkyl alkoxylated sulphate and alkyl benzenesulphonates may be linear or branched, substituted or un-substituted.

The anionic detersive surfactant may be a mid-chain branched anionicdetersive surfactant, such as a mid-chain branched alkyl sulphate and/ora mid-chain branched alkyl benzene sulphonate. The mid-chain branchesare typically C₁₋₄ alkyl groups, such as methyl and/or ethyl groups.

Another suitable anionic detersive surfactant is alkyl ethoxycarboxylate.

The anionic detersive surfactants are typically present in their saltform, typically being complexed with a suitable cation. Suitablecounter-ions include Na⁺ and K⁺, substituted ammonium such as C₁-C₆alkanolammonium such as mono-ethanolamine (MEA) tri-ethanolamine (TEA),di-ethanolamine (DEA), and any mixture thereof.

Non-ionic detersive surfactant: Suitable non-ionic detersive surfactantsare selected from the group consisting of: C₈-C₁₈ alkyl ethoxylates,such as, NEODOL® non-ionic surfactants from Shell; C₆-C₁₂ alkyl phenolalkoxylates wherein optionally the alkoxylate units are ethyleneoxyunits, propyleneoxy units or a mixture thereof; C₁₂-C₁₈ alcohol andC₆-C₁₂ alkyl phenol condensates with ethylene oxide/propylene oxideblock polymers such as Pluronic® from BASF; C₁₄-C₂₂ mid-chain branchedalcohols; C₁₄-C₂₂ mid-chain branched alkyl alkoxylates, typically havingan average degree of alkoxylation of from 1 to 30; alkylpolysaccharides,such as alkylpolyglycosides; polyhydroxy fatty acid amides; ether cappedpoly(oxyalkylated) alcohol surfactants; and mixtures thereof.

Suitable non-ionic detersive surfactants are alkyl polyglucoside and/oran alkyl alkoxylated alcohol.

Suitable non-ionic detersive surfactants include alkyl alkoxylatedalcohols, such as C₈₋₁₈ alkyl alkoxylated alcohol, or a C₈₋₁₈ alkylethoxylated alcohol. The alkyl alkoxylated alcohol may have an averagedegree of alkoxylation of from 0.5 to 50, or from 1 to 30, or from 1 to20, or from 1 to 10. The alkyl alkoxylated alcohol may be a C₈₋₁₈ alkylethoxylated alcohol, typically having an average degree of ethoxylationof from 1 to 10, or from 1 to 7, or from 1 to 5, or from 3 to 7. Thealkyl alkoxylated alcohol can be linear or branched, and substituted orun-substituted.

Suitable nonionic detersive surfactants include secondary alcohol-baseddetersive surfactants having the formula:

wherein R¹=linear or branched, substituted or unsubstituted, saturatedor unsaturated C₂₋₈ alkyl;

wherein R²=linear or branched, substituted or unsubstituted, saturatedor unsaturated C₂₋₈ alkyl,

wherein the total number of carbon atoms present in R¹+R² moieties is inthe range of from 7 to 13;

wherein EO/PO are alkoxy moieties selected from ethoxy, propoxy, ormixtures thereof, optionally the EO/PO alkoxyl moieties are in random orblock configuration;

wherein n is the average degree of alkoxylation and is in the range offrom 4 to 10.

Other suitable non-ionic detersive surfactants include EO/PO blockco-polymer surfactants, such as the Plurafac® series of surfactantsavailable from BASF, and sugar-derived surfactants such as alkylN-methyl glucose amide.

Cationic detersive surfactant: Suitable cationic detersive surfactantsinclude alkyl pyridinium compounds, alkyl quaternary ammonium compounds,alkyl quaternary phosphonium compounds, alkyl ternary sulphoniumcompounds, and mixtures thereof.

Suitable cationic detersive surfactants are quaternary ammoniumcompounds having the general formula:

(R)(R₁)(R₂)(R₃)N⁺X⁻

wherein, R is a linear or branched, substituted or unsubstituted C₆₋₁₈alkyl or alkenyl moiety, R₁ and R₂ are independently selected frommethyl or ethyl moieties, R₃ is a hydroxyl, hydroxymethyl or ahydroxyethyl moiety, X is an anion which provides charge neutrality,suitable anions include: halides, such as chloride; sulphate; andsulphonate. Suitable cationic detersive surfactants are mono-C₆₋₁₈ alkylmono-hydroxyethyl di-methyl quaternary ammonium chlorides. Suitablecationic detersive surfactants are mono-C₈₋₁₀ alkyl mono-hydroxyethyldi-methyl quaternary ammonium chloride, mono-C₁₀₋₁₂ alkylmono-hydroxyethyl di-methyl quaternary ammonium chloride and mono-C₁₀alkyl mono-hydroxyethyl di-methyl quaternary ammonium chloride.

Zwitterionic and/or amphoteric detersive surfactant: Suitablezwitterionic and/or amphoteric detersive surfactants include amine oxidesuch as dodecyldimethylamine N-oxide, alkanolamine sulphobetaines,coco-amidopropyl betaines, HN⁺—R—CO₂ ⁻ based surfactants, wherein R canbe any bridging group, such as alkyl, alkoxy, aryl or amino acids.

Polymer: Suitable polymers include carboxylate polymers, polyethyleneglycol polymers, polyester soil release polymers such as terephthalatepolymers, amine polymers, cellulosic polymers, dye transfer inhibitionpolymers, dye lock polymers such as a condensation oligomer produced bycondensation of imidazole and epichlorhydrin, optionally in ratio of1:4:1, hexamethylenediamine derivative polymers, and any combinationthereof.

Carboxylate polymer: Suitable carboxylate polymers includemaleate/acrylate random copolymer or polyacrylate homopolymer. Thecarboxylate polymer may be a polyacrylate homopolymer having a molecularweight of from 4,000 Da to 9,000 Da, or from 6,000 Da to 9,000 Da. Othersuitable carboxylate polymers are co-polymers of maleic acid and acrylicacid, and may have a molecular weight in the range of from 4,000 Da to90,000 Da.

Polyethylene glycol polymer: Suitable polyethylene glycol polymersinclude random graft co-polymers comprising: (i) hydrophilic backbonecomprising polyethylene glycol; and (ii) hydrophobic side chain(s)selected from the group consisting of: C₄-C₂₅ alkyl group,polypropylene, polybutylene, vinyl ester of a saturated C₁-C₆mono-carboxylic acid, C₁-C₆ alkyl ester of acrylic or methacrylic acid,and mixtures thereof. Suitable polyethylene glycol polymers have apolyethylene glycol backbone with random grafted polyvinyl acetate sidechains. The average molecular weight of the polyethylene glycol backbonecan be in the range of from 2,000 Da to 20,000 Da, or from 4,000 Da to8,000 Da. The molecular weight ratio of the polyethylene glycol backboneto the polyvinyl acetate side chains can be in the range of from 1:1 to1:5, or from 1:1.2 to 1:2. The average number of graft sites perethylene oxide units can be less than 1, or less than 0.8, the averagenumber of graft sites per ethylene oxide units can be in the range offrom 0.5 to 0.9, or the average number of graft sites per ethylene oxideunits can be in the range of from 0.1 to 0.5, or from 0.2 to 0.4. Asuitable polyethylene glycol polymer is Sokalan HP22.

Polyester soil release polymers: Suitable polyester soil releasepolymers have a structure as defined by one of the following structures(I), (II) or (III):

—[(OCHR¹—CHR²)_(a)—O—OC—Ar—CO—]_(d)  (I)

—[(OCHR³—CHR⁴)_(b)—O—OC-sAr—CO—]_(e)  (II)

—[(OCHR⁵—CHR⁶)_(c)—OR⁷]_(f)  (III)

wherein:

a, b and c are from 1 to 200;

d, e and f are from 1 to 50;

Ar is a 1,4-substituted phenylene;

sAr is 1,3-substituted phenylene substituted in position 5 with SO₃Me;

Me is Li, K, Mg/2, Ca/2, Al/3, ammonium, mono-, di-, tri-, ortetraalkylammonium wherein the alkyl groups are C₁-C₁₈ alkyl or C₂-C₁₀hydroxyalkyl, or any mixture thereof;

R¹, R², R³, R⁴, R⁵ and R⁶ are independently selected from H or C₁-C₁₈ n-or iso-alkyl; and

R⁷ is a linear or branched C₁-C₁₈ alkyl, or a linear or branched C₂-C₃₀alkenyl, or a cycloalkyl group with 5 to 9 carbon atoms, or a C₈-C₃₀aryl group, or a C₆-C₃₀ arylalkyl group. Suitable polyester soil releasepolymers are terephthalate polymers having the structure of formula (I)or (II) above.

Suitable polyester soil release polymers include the Repel-o-tex seriesof polymers such as Repel-o-tex SF2 (Rhodia) and/or the Texcare seriesof polymers such as Texcare SRA300 (Clariant).

Amine polymer: Suitable amine polymers include polyethylene iminepolymers, such as alkoxylated polyalkyleneimines, optionally comprisinga polyethylene and/or polypropylene oxide block.

Cellulosic polymer: The composition can comprise cellulosic polymers,such as polymers selected from alkyl cellulose, alkyl alkoxyalkylcellulose, carboxyalkyl cellulose, alkyl carboxyalkyl, and anycombination thereof. Suitable cellulosic polymers are selected fromcarboxymethyl cellulose, methyl cellulose, methyl hydroxyethylcellulose, methyl carboxymethyl cellulose, and mixtures thereof. Thecarboxymethyl cellulose can have a degree of carboxymethyl substitutionfrom 0.5 to 0.9 and a molecular weight from 100,000 Da to 300,000 Da.Another suitable cellulosic polymer is hydrophobically modifiedcarboxymethyl cellulose, such as Finnfix SH-1 (CP Kelco).

Other suitable cellulosic polymers may have a degree of substitution(DS) of from 0.01 to 0.99 and a degree of blockiness (DB) such thateither DS+DB is of at least 1.00 or DB+2DS−DS² is at least 1.20. Thesubstituted cellulosic polymer can have a degree of substitution (DS) ofat least 0.55. The substituted cellulosic polymer can have a degree ofblockiness (DB) of at least 0.35. The substituted cellulosic polymer canhave a DS+DB, of from 1.05 to 2.00. A suitable substituted cellulosicpolymer is carboxymethylcellulose.

Another suitable cellulosic polymer is cationically modifiedhydroxyethyl cellulose.

Dye transfer inhibitor polymer: Suitable dye transfer inhibitor (DTI)polymers include polyvinyl pyrrolidone (PVP), vinyl co-polymers ofpyrrolidone and imidazoline (PVPVI), polyvinyl N-oxide (PVNO), and anymixture thereof.

Hexamethylenediamine derivative polymers: Suitable polymers includehexamethylenediamine derivative polymers, typically having the formula:

R₂(CH₃)N⁺(CH₂)6N⁺(CH₃)R₂.2X⁻

wherein X⁻ is a suitable counter-ion, for example chloride, and R is apoly(ethylene glycol) chain having an average degree of ethoxylation offrom 20 to 30. Optionally, the poly(ethylene glycol) chains may beindependently capped with sulphate and/or sulphonate groups, typicallywith the charge being balanced by reducing the number of X⁻counter-ions, or (in cases where the average degree of sulphation permolecule is greater than two), introduction of Y⁺ counter-ions, forexample sodium cations.

Builder: Suitable builders include zeolites, phosphates, citrates, andany combination thereof.

Zeolite builder: The composition typically comprises from 0 wt % to 10wt %, zeolite builder, or to 8 wt %, or to 6 wt %, or to 4 wt %, or to 3wt %, or to 2 wt %, or even to 1 wt % zeolite builder. The compositionmay even be substantially free of zeolite builder; substantially freemeans “no deliberately added”. Typical zeolite builders include zeoliteA, zeolite P, zeolite MAP, zeolite X and zeolite Y.

Phosphate builder: The composition typically comprises from 0 wt % to 10wt % phosphate builder, or to 8 wt %, or to 6 wt %, or to 4 wt %, or to3 wt %, or to 2 wt %, or even to 1 wt % phosphate builder. Thecomposition may even be substantially free of phosphate builder;substantially free means “no deliberately added”. A typical phosphatebuilder is sodium tri-polyphosphate (STPP).

Citrate: A suitable citrate is sodium citrate. However, citric acid mayalso be incorporated into the composition, which can form citrate in thewash liquor.

Buffer and alkalinity source: Suitable buffers and alkalinity sourcesinclude carbonate salts and/or silicate salts and/or double salts suchas burkeitte.

Carbonate salt: A suitable carbonate salt is sodium carbonate and/orsodium bicarbonate. The composition may comprise bicarbonate salt. Itmay be suitable for the composition to comprise low levels of carbonatesalt, for example, it may be suitable for the composition to comprisefrom 0 wt % to 10 wt % carbonate salt, or to 8 wt %, or to 6 wt %, or to4 wt %, or to 3 wt %, or to 2 wt %, or even to 1 wt % carbonate salt.The composition may even be substantially free of carbonate salt;substantially free means “no deliberately added”.

The carbonate salt may have a weight average mean particle size of from100 to 500 micrometers. Alternatively, the carbonate salt may have aweight average mean particle size of from 10 to 25 micrometers.

Silicate salt: The composition may comprise from 0 wt % to 20 wt %silicate salt, or to 15 wt %, or to 10 wt %, or to 5 wt %, or to 4 wt %,or even to 2 wt %, and may comprise from above 0 wt %, or from 0.5 wt %,or even from 1 wt % silicate salt. The silicate can be crystalline oramorphous. Suitable crystalline silicates include crystalline layeredsilicate, such as SKS-6. Other suitable silicates include 1.6R silicateand/or 2.0R silicate. A suitable silicate salt is sodium silicate.Another suitable silicate salt is sodium metasilicate.

Filler: The composition may comprise from 0 wt % to 70% filler. Suitablefillers include sulphate salts and/or bio-filler materials.

Sulphate salt: A suitable sulphate salt is sodium sulphate. The sulphatesalt may have a weight average mean particle size of from 100 to 500micrometers, alternatively, the sulphate salt may have a weight averagemean particle size of from 10 to 45 micrometers.

Bio-filler material: A suitable bio-filler material is alkali and/orbleach treated agricultural waste.

Bleach: The composition may comprise bleach. Alternatively, thecomposition may be substantially free of bleach; substantially freemeans “no deliberately added”. Suitable bleach includes bleachactivators, sources of available oxygen, pre-formed peracids, bleachcatalysts, reducing bleach, and any combination thereof. If present, thebleach, or any component thereof, for example the pre-formed peracid,may be coated, such as encapsulated, or clathrated, such as with urea orcyclodextrin.

Bleach activator: Suitable bleach activators include:tetraacetylethylenediamine (TAED); oxybenzene sulphonates such asnonanoyl oxybenzene sulphonate (NOBS), caprylamidononanoyl oxybenzenesulphonate (NACA-OBS), 3,5,5-trimethyl hexanoyloxybenzene sulphonate(Iso-NOBS), dodecyl oxybenzene sulphonate (LOBS), and any mixturethereof; caprolactams; pentaacetate glucose (PAG); nitrile quaternaryammonium; imide bleach activators, such as N-nonanoyl-N-methylacetamide; and any mixture thereof.

Source of available oxygen: A suitable source of available oxygen (AvOx)is a source of hydrogen peroxide, such as percarbonate salts and/orperborate salts, such as sodium percarbonate. The source of peroxygenmay be at least partially coated, or even completely coated, by acoating ingredient such as a carbonate salt, a sulphate salt, a silicatesalt, borosilicate, or any mixture thereof, including mixed saltsthereof. Suitable percarbonate salts can be prepared by a fluid bedprocess or by a crystallization process. Suitable perborate saltsinclude sodium perborate mono-hydrate (PB1), sodium perboratetetra-hydrate (PB4), and anhydrous sodium perborate which is also knownas fizzing sodium perborate. Other suitable sources of AvOx includepersulphate, such as oxone. Another suitable source of AvOx is hydrogenperoxide.

Pre-formed peracid: A suitable pre-formed peracid is N,N-pthaloylaminoperoxycaproic acid (PAP).

Bleach catalyst: Suitable bleach catalysts include oxaziridinium-basedbleach catalysts, transition metal bleach catalysts and bleachingenzymes.

Oxaziridinium-based bleach catalyst: A suitable oxaziridinium-basedbleach catalyst has the formula:

wherein: R¹ is selected from the group consisting of: H, a branchedalkyl group containing from 3 to 24 carbons, and a linear alkyl groupcontaining from 1 to 24 carbons; R¹ can be a branched alkyl groupcomprising from 6 to 18 carbons, or a linear alkyl group comprising from5 to 18 carbons, R¹ can be selected from the group consisting of:2-propylheptyl, 2-butyloctyl, 2-pentylnonyl, 2-hexyldecyl, n-hexyl,n-octyl, n-decyl, n-dodecyl, n-tetradecyl, n-hexadecyl, n-octadecyl,iso-nonyl, iso-decyl, iso-tridecyl and iso-pentadecyl; R² isindependently selected from the group consisting of: H, a branched alkylgroup comprising from 3 to 12 carbons, and a linear alkyl groupcomprising from 1 to 12 carbons; optionally R² is independently selectedfrom H and methyl groups; and n is an integer from 0 to 1.

Transition metal bleach catalyst: The composition may include transitionmetal bleach catalyst, typically comprising copper, iron, titanium,ruthenium, tungsten, molybdenum, and/or manganese cations. Suitabletransition metal bleach catalysts are manganese-based transition metalbleach catalysts.

Reducing bleach: The composition may comprise a reducing bleach.However, the composition may be substantially free of reducing bleach;substantially free means “no deliberately added”. Suitable reducingbleach include sodium sulphite and/or thiourea dioxide (TDO).

Co-bleach particle: The composition may comprise a co-bleach particle.Typically, the co-bleach particle comprises a bleach activator and asource of peroxide. It may be highly suitable for a large amount ofbleach activator relative to the source of hydrogen peroxide to bepresent in the co-bleach particle. The weight ratio of bleach activatorto source of hydrogen peroxide present in the co-bleach particle can beat least 0.3:1, or at least 0.6:1, or at least 0.7:1, or at least 0.8:1,or at least 0.9:1, or at least 1.0:1.0, or even at least 1.2:1 orhigher.

The co-bleach particle can comprise: (i) bleach activator, such as TAED;and (ii) a source of hydrogen peroxide, such as sodium percarbonate. Thebleach activator may at least partially, or even completely, enclose thesource of hydrogen peroxide.

The co-bleach particle may comprise a binder. Suitable binders arecarboxylate polymers such as polyacrylate polymers, and/or surfactantsincluding non-ionic detersive surfactants and/or anionic detersivesurfactants such as linear C₁₁-C₁₃ alkyl benzene sulphonate.

The co-bleach particle may comprise bleach catalyst, such as anoxaziridium-based bleach catalyst.

Chelant: Suitable chelants are selected from: diethylene triaminepentaacetate, diethylene triamine penta(methyl phosphonic acid),ethylene diamine-N′N′-disuccinic acid, ethylene diamine tetraacetate,ethylene diamine tetra(methylene phosphonic acid), hydroxyethanedi(methylene phosphonic acid), and any combination thereof. A suitablechelant is ethylene diamine-N′N′-disuccinic acid (EDDS) and/orhydroxyethane diphosphonic acid (HEDP). The laundry detergentcomposition may comprise ethylene diamine-N′N′-disuccinic acid or saltthereof. The ethylene diamine-N′N′-disuccinic acid may be in S,Senantiomeric form. The composition may comprise4,5-dihydroxy-m-benzenedisulfonic acid disodium salt. Suitable chelantsmay also be calcium crystal growth inhibitors.

Calcium carbonate crystal growth inhibitor: The composition may comprisea calcium carbonate crystal growth inhibitor, such as one selected fromthe group consisting of: 1-hydroxyethanediphosphonic acid (HEDP) andsalts thereof; N,N-dicarboxymethyl-2-aminopentane-1,5-dioic acid andsalts thereof; 2-phosphonobutane-1,2,4-tricarboxylic acid and saltsthereof; and any combination thereof.

Photobleach: Suitable photobleaches are zinc and/or aluminiumsulphonated phthalocyanines.

Hueing agent: The hueing agent (also defined herein as hueing dye) istypically formulated to deposit onto fabrics from the wash liquor so asto improve fabric whiteness perception. The hueing agent is typicallyblue or violet. It may be suitable that the hueing dye(s) have a peakabsorption wavelength of from 550 nm to 650 nm, or from 570 nm to 630nm. The hueing agent may be a combination of dyes which together havethe visual effect on the human eye as a single dye having a peakabsorption wavelength on polyester of from 550 nm to 650 nm, or from 570nm to 630 nm. This may be provided for example by mixing a red andgreen-blue dye to yield a blue or violet shade.

Dyes are typically coloured organic molecules which are soluble inaqueous media that contain surfactants. Dyes maybe selected from theclasses of basic, acid, hydrophobic, direct and polymeric dyes, anddye-conjugates. Suitable polymeric hueing dyes are commerciallyavailable, for example from Milliken, Spartanburg, S.C., USA.

Examples of suitable dyes are violet DD, direct violet 7, direct violet9, direct violet 11, direct violet 26, direct violet 31, direct violet35, direct violet 40, direct violet 41, direct violet 51, direct violet66, direct violet 99, acid violet 50, acid blue 9, acid violet 17, acidblack 1, acid red 17, acid blue 29, solvent violet 13, disperse violet27 disperse violet 26, disperse violet 28, disperse violet 63 anddisperse violet 77, basic blue 16, basic blue 65, basic blue 66, basicblue 67, basic blue 71, basic blue 159, basic violet 19, basic violet35, basic violet 38, basic violet 48; basic blue 3, basic blue 75, basicblue 95, basic blue 122, basic blue 124, basic blue 141, thiazoliumdyes, reactive blue 19, reactive blue 163, reactive blue 182, reactiveblue 96, Liquitint® Violet CT (Milliken, Spartanburg, USA) andAzo-CM-Cellulose (Megazyme, Bray, Republic of Ireland). Other suitablehueing agents are hueing dye-photobleach conjugates, such as theconjugate of sulphonated zinc phthalocyanine with direct violet 99. Aparticularly suitable hueing agent is a combination of acid red 52 andacid blue 80, or the combination of direct violet 9 and solvent violet13.

Brightener: Suitable brighteners are stilbenes, such as brightener 15.Other suitable brighteners are hydrophobic brighteners, and brightener49. The brightener may be in micronized particulate form, having aweight average particle size in the range of from 3 to 30 micrometers,or from 3 micrometers to 20 micrometers, or from 3 to 10 micrometers.The brightener can be alpha or beta crystalline form.

Enzyme: Suitable enzymes include proteases, amylases, cellulases,lipases, xylogucanases, pectate lyases, mannanases, bleaching enzymes,cutinases, and mixtures thereof.

For the enzymes, accession numbers and IDs shown in parentheses refer tothe entry numbers in the databases Genbank, EMBL and/or Swiss-Prot. Forany mutations, standard 1-letter amino acid codes are used with a *representing a deletion. Accession numbers prefixed with DSM refer tomicro-organisms deposited at Deutsche Sammlung von Mikroorganismen andZellkulturen GmbH, Mascheroder Weg 1b, 38124 Brunswick (DSMZ).

Protease. The composition may comprise a protease. Suitable proteasesinclude metalloproteases and/or serine proteases, including neutral oralkaline microbial serine proteases, such as subtilisins (EC 3.4.21.62).Suitable proteases include those of animal, vegetable or microbialorigin. In one aspect, such suitable protease may be of microbialorigin. The suitable proteases include chemically or geneticallymodified mutants of the aforementioned suitable proteases. In oneaspect, the suitable protease may be a serine protease, such as analkaline microbial protease or/and a trypsin-type protease. Examples ofsuitable neutral or alkaline proteases include:

(a) subtilisins (EC 3.4.21.62), including those derived from Bacillus,such as Bacillus lentus, Bacillus alkalophilus (P27963, ELYA_BACAO),Bacillus subtilis, Bacillus amyloliquefaciens (P00782, SUBT_BACAM),Bacillus pumilus (P07518) and Bacillus gibsonii (DSM14391).

(b) trypsin-type or chymotrypsin-type proteases, such as trypsin (e.g.of porcine or bovine origin), including the Fusarium protease and thechymotrypsin proteases derived from Cellumonas (A2RQE2).

(c) metalloproteases, including those derived from Bacillusamyloliquefaciens (P06832, NPRE_BACAM).

Suitable proteases include those derived from Bacillus gibsonii orBacillus Lentus such as subtilisin 309 (P29600) and/or DSM 5483(P29599).

Suitable commercially available protease enzymes include: those soldunder the trade names Alcalase®, Savinase®, Primase®, Durazym®,Polarzyme®, Kannase®, Liquanase®, Liquanase Ultra®, Savinase Ultra®,Ovozyme®, Neutrase®, Everlase® and Esperase® by Novozymes A/S (Denmark);those sold under the tradename Maxatase®, Maxacal®, Maxapem®,Properase®, Purafect®, Purafect Prime®, Purafect Ox®, FN3®, FN4®,Excellase® and Purafect OXP® by Genencor International; those sold underthe tradename Opticlean® and Optimase® by Solvay Enzymes; thoseavailable from Henkel/Kemira, namely BLAP (P29599 having the followingmutations S99D+S101 R+S103A+V104I+G159S), and variants thereof includingBLAP R (BLAP with S3T+V4I+V199M+V205I+L217D), BLAP X (BLAP withS3T+V4I+V205I) and BLAP F49 (BLAP with S3T+V4I+A194P+V199M+V205I+L217D)all from Henkel/Kemira; and KAP (Bacillus alkalophilus subtilisin withmutations A230V+S256G+S259N) from Kao.

Amylase: Suitable amylases are alpha-amylases, including those ofbacterial or fungal origin. Chemically or genetically modified mutants(variants) are included. A suitable alkaline alpha-amylase is derivedfrom a strain of Bacillus, such as Bacillus licheniformis, Bacillusamyloliquefaciens, Bacillus stearothermophilus, Bacillus subtilis, orother Bacillus sp., such as Bacillus sp. NCIB 12289, NCIB 12512, NCIB12513, sp 707, DSM 9375, DSM 12368, DSMZ no. 12649, KSM AP1378, KSM K36or KSM K38. Suitable amylases include:

(a) alpha-amylase derived from Bacillus licheniformis (P06278,AMY_BACLI), and variants thereof, especially the variants withsubstitutions in one or more of the following positions: 15, 23, 105,106, 124, 128, 133, 154, 156, 181, 188, 190, 197, 202, 208, 209, 243,264, 304, 305, 391, 408, and 444.

(b) AA560 amylase (CBU30457, HD066534) and variants thereof, especiallythe variants with one or more substitutions in the following positions:26, 30, 33, 82, 37, 106, 118, 128, 133, 149, 150, 160, 178, 182, 186,193, 203, 214, 231, 256, 257, 258, 269, 270, 272, 283, 295, 296, 298,299, 303, 304, 305, 311, 314, 315, 318, 319, 339, 345, 361, 378, 383,419, 421, 437, 441, 444, 445, 446, 447, 450, 461, 471, 482, 484,optionally that also contain the deletions of D183* and G184*.

(c) variants exhibiting at least 90% identity with the wild-type enzymefrom Bacillus SP722 (CBU30453, HD066526), especially variants withdeletions in the 183 and 184 positions.

Suitable commercially available alpha-amylases are Duramyl®, Liquezyme®Termamyl®, Termamyl Ultra®, Natalase®, Supramyl®, Stainzyme®, StainzymePlus®, Fungamyl® and BAN® (Novozymes A/S), Bioamylase® and variantsthereof (Biocon India Ltd.), Kemzym® AT 9000 (Biozym Ges. m.b.H,Austria), Rapidase®, Purastar®, Optisize HT Plus®, Enzysize®, Powerase®and Purastar Oxam®, Maxamyl® (Genencor International Inc.) and KAM®(KAO, Japan). Suitable amylases are Natalase®, Stainzyme® and StainzymePlus®.

Cellulase: The composition may comprise a cellulase. Suitable cellulasesinclude those of bacterial or fungal origin. Chemically modified orprotein engineered mutants are included. Suitable cellulases includecellulases from the genera Bacillus, Pseudomonas, Humicola, Fusarium,Thielavia, Acremonium, e.g., the fungal cellulases produced fromHumicola insolens, Myceliophthora thermophila and Fusarium oxysporum.

Commercially available cellulases include Celluzyme®, and Carezyme®(Novozymes A/S), Clazinase®, and Puradax HA® (Genencor InternationalInc.), and KAC-500(B)® (Kao Corporation).

The cellulase can include microbial-derived endoglucanases exhibitingendo-beta-1,4-glucanase activity (E.C. 3.2.1.4), including a bacterialpolypeptide endogenous to a member of the genus Bacillus sp. AA349 andmixtures thereof. Suitable endoglucanases are sold under the tradenamesCelluclean® and Whitezyme® (Novozymes A/S, Bagsvaerd, Denmark).

The composition may comprise a cleaning cellulase belonging to GlycosylHydrolase family 45 having a molecular weight of from 17 kDa to 30 kDa,for example the endoglucanases sold under the tradename Biotouch® NCD,DCC and DCL (AB Enzymes, Darmstadt, Germany).

Suitable cellulases may also exhibit xyloglucanase activity, such asWhitezyme®.

Lipase. The composition may comprise a lipase. Suitable lipases includethose of bacterial or fungal origin. Chemically modified or proteinengineered mutants are included. Examples of useful lipases includelipases from Humicola (synonym Thermomyces), e.g., from H. lanuginosa(T. lanuginosus), or from H. insolens, a Pseudomonas lipase, e.g., fromP. alcaligenes or P. pseudoalcaligenes, P. cepacia, P. stutzeri, P.fluorescens, Pseudomonas sp. strain SD 705, P. wisconsinensis, aBacillus lipase, e.g., from B. subtilis, B. stearothermophilus or B.pumilus.

The lipase may be a “first cycle lipase”, optionally a variant of thewild-type lipase from Thermomyces lanuginosus comprising T231R and N233Rmutations. The wild-type sequence is the 269 amino acids (amino acids23-291) of the Swissprot accession number Swiss-Prot O59952 (derivedfrom Thermomyces lanuginosus (Humicola lanuginosa)). Suitable lipaseswould include those sold under the tradenames Lipex®, Lipolex® andLipoclean® by Novozymes, Bagsvaerd, Denmark.

The composition may comprise a variant of Thermomyces lanuginosa(O59952) lipase having >90% identity with the wild type amino acid andcomprising substitution(s) at T231 and/or N233, optionally T231R and/orN233R.

Xyloglucanase: Suitable xyloglucanase enzymes may have enzymaticactivity towards both xyloglucan and amorphous cellulose substrates. Theenzyme may be a glycosyl hydrolase (GH) selected from GH families 5, 12,44 or 74. The glycosyl hydrolase selected from GH family 44 isparticularly suitable. Suitable glycosyl hydrolases from GH family 44are the XYG1006 glycosyl hydrolase from Paenibacillus polyxyma (ATCC832) and variants thereof.

Pectate lyase: Suitable pectate lyases are either wild-types or variantsof Bacillus-derived pectate lyases (CAF05441, AAU25568) sold under thetradenames Pectawash®, Pectaway® and X-Pect® (from Novozymes A/S,Bagsvaerd, Denmark).

Mannanase: Suitable mannanases are sold under the tradenames Mannaway®(from Novozymes A/S, Bagsvaerd, Denmark), and Purabrite® (GenencorInternational Inc., Palo Alto, Calif.).

Bleaching enzyme: Suitable bleach enzymes include oxidoreductases, forexample oxidases such as glucose, choline or carbohydrate oxidases,oxygenases, catalases, peroxidases, like halo-, chloro-, bromo-,lignin-, glucose- or manganese-peroxidases, dioxygenases or laccases(phenoloxidases, polyphenoloxidases). Suitable commercial products aresold under the Guardzyme® and Denilite® ranges from Novozymes. It may beadvantageous for additional organic compounds, especially aromaticcompounds, to be incorporated with the bleaching enzyme; these compoundsinteract with the bleaching enzyme to enhance the activity of theoxidoreductase (enhancer) or to facilitate the electron flow (mediator)between the oxidizing enzyme and the stain typically over stronglydifferent redox potentials.

Other suitable bleaching enzymes include perhydrolases, which catalysethe formation of peracids from an ester substrate and peroxygen source.Suitable perhydrolases include variants of the Mycobacterium smegmatisperhydrolase, variants of so-called CE-7 perhydrolases, and variants ofwild-type subtilisin Carlsberg possessing perhydrolase activity.

Cutinase: Suitable cutinases are defined by E.C. Class 3.1.1.73,optionally displaying at least 90%, or 95%, or most optionally at least98% identity with a wild-type derived from one of Fusarium solani,Pseudomonas Mendocina or Humicola Insolens.

Identity. The relativity between two amino acid sequences is describedby the parameter “identity”. For purposes of the present invention, thealignment of two amino acid sequences is determined by using the Needleprogram from the EMBOSS package (http://emboss.org) version 2.8.0. TheNeedle program implements the global alignment algorithm described inNeedleman, S. B. and Wunsch, C. D. (1970) J. Mol. Biol. 48, 443-453. Thesubstitution matrix used is BLOSUM62, gap opening penalty is 10, and gapextension penalty is 0.5.

Enzyme stabilizer. The composition may comprise an enzyme stabilizer.Suitable enzyme stabilizers include polyols such as propylene glycol orglycerol, sugar or sugar alcohol, lactic acid, reversible proteaseinhibitor, boric acid, or a boric acid derivative, e.g., an aromaticborate ester, or a phenyl boronic acid derivative such as 4-formylphenylboronic acid. It may be preferred for the composition to comprise anil-boron enzyme stabilizer, preferably selected from polyols such aspropylene glycol or glycerol, sugar or sugar alcohol. It may even bepreferred for the composition to be substantially free of boron. Bysubstantially free it is typically meant: “comprises no deliberatelyadded”. Free of boron also typically includes being free of sources ofboron such as borax.

Fabric-softener: Suitable fabric-softening agents include clay, siliconeand/or quaternary ammonium compounds. Suitable clays includemontmorillonite clay, hectorite clay and/or laponite clay. A suitableclay is montmorillonite clay. Suitable silicones include amino-siliconesand/or polydimethylsiloxane (PDMS). A suitable fabric softener is aparticle comprising clay and silicone, such as a particle comprisingmontmorillonite clay and PDMS.

Flocculant: Suitable flocculants include polyethylene oxide; for examplehaving an average molecular weight of from 300,000 Da to 900,000 Da.

Suds suppressor: Suitable suds suppressors include silicone and/or fattyacid such as stearic acid.

Structurant/thickener. Structured liquids can either be internallystructured, whereby the structure is formed by primary ingredients (e.g.surfactant material) and/or externally structured by providing a threedimensional matrix structure using secondary ingredients (e.g. polymers,clay and/or silicate material).

The composition may comprise a structurant, preferably from 0.01 wt % to5 wt %, from 0.1 wt % to 2.0 wt % structurant. The structurant istypically selected from the group consisting of diglycerides andtriglycerides, ethylene glycol distearate, microcrystalline cellulose,cellulose-based materials, microfiber cellulose, biopolymers, xanthangum, gellan gum, and mixtures thereof. A suitable structurant includeshydrogenated castor oil, and non-ethoxylated derivatives thereof. It maybe preferred for the composition to substantially free of lipase, bysubstantially free it is typically meant: “comprises no deliberatelyadded”. This is especially preferred when the composition compriseshydrogenated castor oil, and non-ethoxylated derivatives thereof. Asuitable structurant is U.S. Pat. No. 6,855,680, such structurants havea thread-like structuring system having a range of aspect ratios. Othersuitable structurants and the processes for making them are described inWO2010/034736.

Perfume: Suitable perfumes include perfume microcapsules, polymerassisted perfume delivery systems including Schiff base perfume/polymercomplexes, starch-encapsulated perfume accords, perfume-loaded zeolites,blooming perfume accords, and any combination thereof. A suitableperfume microcapsule is melamine formaldehyde based, typicallycomprising perfume that is encapsulated by a shell comprising melamineformaldehyde. It may be highly suitable for such perfume microcapsulesto comprise cationic and/or cationic precursor material in the shell,such as polyvinyl formamide (PVF) and/or cationically modifiedhydroxyethyl cellulose (catHEC).

Aesthetic: Suitable aesthetic particles include soap rings, lamellaraesthetic particles, geltin beads, carbonate and/or sulphate saltspeckles, coloured clay particles, and any combination thereof.

Solvent: The composition may comprise a solvent. Preferred solventsinclude alcohols and/or glycols, preferably methanol, ethanol and/orpropylene glycol. Preferably, the composition comprises no or minimalamounts of methanol and ethanol and instead comprises relatively highamounts of propylene glycol, for improved enzyme stability. Preferably,the composition comprises propylene glycol.

Suitable solvents include C₄-C₁₄ ethers and diethers, glycols,alkoxylated glycols, C₆-C₁₆ glycol ethers, alkoxylated aromaticalcohols, aromatic alcohols, aliphatic branched alcohols, alkoxylatedaliphatic branched alcohols, alkoxylated linear C₁-C₅ alcohols, linearC₁-C₅ alcohols, amines, C₈-C₁₄ alkyl and cycloalkyl hydrocarbons andhalohydrocarbons, and mixtures thereof.

Preferred solvents are selected from methoxy octadecanol,2-(2-ethoxyethoxy)ethanol, benzyl alcohol, 2-ethylbutanol and/or2-methylbutanol, 1-methylpropoxyethanol and/or 2-methylbutoxyethanol,linear C₁-C₅ alcohols such as methanol, ethanol, propanol, butyldiglycol ether (BDGE), butyltriglycol ether, tert-amyl alcohol,glycerol, isopropanol and mixtures thereof. Particularly preferredsolvents which can be used herein are butoxy propoxy propanol, butyldiglycol ether, benzyl alcohol, butoxypropanol, propylene glycol,glycerol, ethanol, methanol, isopropanol and mixtures thereof. Othersuitable solvents include propylene glycol and diethylene glycol andmixtures thereof.

Free Water: The composition may comprise less than 10 wt %, or less than5 wt %, or less than 4 wt % or less than 3 wt % free water, or less than2 wt % free water, or less than 1 wt % free water, and may even beanhydrous, typically comprising no deliberately added free water. Freewater is typically measured using Karl Fischer titration. 2 g of thelaundry detergent composition is extracted into 50 ml dry methanol atroom temperature for 20 minutes and analyse 1 ml of the methanol by KarlFischer titration.

Malodor Control Component

The detergent laundry composition comprises a malodor control component.The malodor control component may include at least one volatile aldehydeand an acid catalyst. The malodor control component is designed todeliver genuine malodor neutralization and not function merely bycovering up or masking odors. A genuine malodor neutralization providesa sensory and analytically measurable (e.g. gas chromatograph) malodorreduction. Thus, if the malodor control component delivers a genuinemalodor neutralization, the composition will reduce malodors in thevapor and/or liquid phase.

1. Volatile Aldehydes

The malodor control component includes a mixture of volatile aldehydesthat neutralize malodors in vapor and/or liquid phase via chemicalreactions. Such volatile aldehydes are also called reactive aldehydes(RA). Volatile aldehydes may react with amine-based odors, following thepath of Schiff-base formation. Volatiles aldehydes may also react withsulfur-based odors, forming thiol acetals, hemi thiolacetals, and thiolesters in vapor and/or liquid phase. It may be desirable for these vaporand/or liquid phase volatile aldehydes to have virtually no negativeimpact on the desired perfume character of a product. Aldehydes that arepartially volatile may be considered a volatile aldehyde as used herein.

Suitable volatile aldehydes may have a vapor pressure (VP) in the rangeof about 0.0001 torr to 100 torr, alternatively about 0.0001 torr toabout 10 torr, alternatively about 0.001 torr to about 50 torr,alternatively about 0.001 torr to about 20 torr, alternatively about0.001 torr to about 0.100 torr, alternatively about 0.001 torr to 0.06torr, alternatively about 0.001 torr to 0.03 torr, alternatively about0.005 torr to about 20 torr, alternatively about 0.01 torr to about 20torr, alternatively about 0.01 torr to about 15 torr, alternativelyabout 0.01 torr to about 10 torr, alternatively about 0.05 torr to about10 torr, measured at 25° C.

The volatile aldehydes may also have a certain boiling point (B.P.) andoctanol/water partition coefficient (P). The boiling point referred toherein is measured under normal standard pressure of 760 mmHg. Theboiling points of many volatile aldehydes, at standard 760 mm Hg aregiven in, for example, “Perfume and Flavor Chemicals (Aroma Chemicals),”written and published by Steffen Arctander, 1969.

The octanol/water partition coefficient of a volatile aldehyde is theratio between its equilibrium concentrations in octanol and in water.The partition coefficients of the volatile aldehydes used in the malodorcontrol component may be more conveniently given in the form of theirlogarithm to the base 10, logP. The logP values of many volatilealdehydes have been reported. See, e.g., the Pomona92 database,available from Daylight Chemical Information Systems, Inc. (DaylightCIS), Irvine, Calif. However, the logP values are most convenientlycalculated by the “CLOGP” program, also available from Daylight CIS.This program also lists experimental logP values when they are availablein the Pomona92 database. The “calculated logP” (ClogP) is determined bythe fragment approach of Hansch and Leo (cf., A. Leo, in ComprehensiveMedicinal Chemistry, Vol. 4, C. Hansch, P. G. Sammens, J. B. Taylor andC. A. Ramsden, Eds., p. 295, Pergamon Press, 1990). The fragmentapproach is based on the chemical structure of each volatile aldehyde,and takes into account the numbers and types of atoms, the atomconnectivity, and chemical bonding. The ClogP values, which are the mostreliable and widely used estimates for this physicochemical property,are alternatively used instead of the experimental logP values in theselection of volatile aldehydes for the malodor control component.

The ClogP values may be defined by four groups and the volatilealdehydes may be selected from one or more of these groups. The firstgroup comprises volatile aldehydes that have a B.P. of about 250° C. orless and ClogP of about 3 or less. The second group comprises volatilealdehydes that have a B.P. of 250° C. or less and ClogP of 3.0 or more.The third group comprises volatile aldehydes that have a B.P. of 250° C.or more and ClogP of 3.0 or less. The fourth group comprises volatilealdehydes that have a B.P. of 250° C. or more and ClogP of 3.0 or more.The malodor control component may comprise any combination of volatilealdehydes from one or more of the ClogP groups.

In some embodiments, the malodor control component of the presentinvention may comprise, by total weight of the malodor controlcomponent, from about 0% to about 30% of volatile aldehydes from group1, alternatively about 25%; and/or about 0% to about 10% of volatilealdehydes from group 2, alternatively about 10%; and/or from about 10%to about 30% of volatile aldehydes from group 3, alternatively about30%; and/or from about 35% to about 60% of volatile aldehydes from group4, alternatively about 35%.

Exemplary volatile aldehydes which may be used in a malodor controlcomponent include, but are not limited to, Adoxal(2,6,10-Trimethyl-9-undecenal), Bourgeonal(4-t-butylbenzenepropionaldehyde), Lilestralis 33(2-methyl-4-t-butylphenyl)propanal), Cinnamic aldehyde, cinnamaldehyde(phenyl propenal, 3-phenyl-2-propenal), Citral, Geranial, Neral(dimethyloctadienal, 3,7-dimethyl-2,6-octadien-1-al), Cyclal C(2,4-dimethyl-3-cyclohexen-1-carbaldehyde), Florhydral(3-(3-Isopropyl-phenyl)-butyraldehyde), Citronellal (3,7-dimethyl6-octenal), Cymal, cyclamen aldehyde, Cyclosal, Lime aldehyde(Alpha-methyl-p-isopropyl phenyl propyl aldehyde), Methyl NonylAcetaldehyde, aldehyde C12 MNA (2-methyl-1-undecanal),Hydroxycitronellal, citronellal hydrate (7-hydroxy-3,7-dimethyloctan-1-al), Helional(alpha-methyl-3,4-(methylenedioxy)-hydrocinnamaldehyde,hydrocinnamaldehyde (3-phenylpropanal, 3-phenylpropionaldehyde),Intreleven aldehyde (undec-10-en-1-al), Ligustral, Trivertal(2,4-dimethyl-3-cyclohexene-1-carboxaldehyde), Jasmorange, satinaldehyde(2-methyl-3-tolylproionaldehyde, 4-dimethylbenzenepropanal), Lyral(4-(4-hydroxy-4-methyl pentyl)-3-cyclohexene-1-carboxaldehyde), Melonal(2,6-Dimethyl-5-Heptenal), Methoxy Melonal(6-methoxy-2,6-dimethylheptanal), methoxycinnamaldehyde(trans-4-methoxycinnamaldehyde), Myrac aldehyde isohexenylcyclohexenyl-carboxaldehyde, trifernal ((3-methyl-4-phenyl propanal,3-phenyl butanal), lilial, P.T. Bucinal, lysmeral, benzenepropanal(4-tert-butyl-alpha-methyl-hydrocinnamaldehyde), Dupic al,tricyclodecylidenebutanal (4-Tricyclo5210-2,6decylidene-8butanal),Melafleur (1,2,3,4,5,6,7,8-octahydro-8,8-dimethyl-2-naphthaldehyde),Methyl Octyl Acetaldehyde, aldehyde C-11 MOA (2-methyl deca-1-al),Onicidal (2,6,10-trimethyl-5,9-undecadien-1-al), Citronellyloxyacetaldehyde, Muguet aldehyde 50 (3,7-dimethyl-6-octenyl)oxyacetaldehyde), phenylacetaldehyde, Mefranal (3-methyl-5-phenylpentanal), Triplal, Vertocitral dimethyl tetrahydrobenzene aldehyde(2,4-dimethyl-3-cyclohexene-1-carboxaldehyde), 2-phenylproprionaldehyde,Hydrotropaldehyde, Canthoxal, anisylpropanal 4-methoxy-alpha-methylbenzenepropanal (2-anisylidene propanal), Cylcemone A(1,2,3,4,5,6,7,8-octahydro-8,8-dimethyl-2-naphthaldehyde), andPrecylcemone B (1-cyclohexene-1-carboxaldehyde).

Still other exemplary aldehydes include, but are not limited to,acetaldehyde (ethanal), pentanal, valeraldehyde, amylaldehyde, Scentenal(octahydro-5-methoxy-4,7-Methano-1H-indene-2-carboxaldehyde),propionaldehyde (propanal), Cyclocitral, beta-cyclocitral,(2,6,6-trimethyl-1-cyclohexene-1-acetaldehyde), Iso Cyclocitral(2,4,6-trimethyl-3-cyclohexene-1-carboxaldehyde), isobutyraldehyde,butyraldehyde, isovaleraldehyde (3-methyl butyraldehyde),methylbutyraldehyde (2-methyl butyraldehyde, 2-methyl butanal),Dihydrocitronellal (3,7-dimethyl octan-1-al), 2-Ethylbutyraldehyde,3-Methyl-2-butenal, 2-Methylpentanal, 2-Methyl Valeraldehyde, Hexenal(2-hexenal, trans-2-hexenal), Heptanal, Octanal, Nonanal, Decanal,Lauric aldehyde, Tridecanal, 2-Dodecanal, Methylthiobutanal,Glutaraldehyde, Pentanedial, Glutaric aldehyde, Heptenal, cis ortrans-Heptenal, Undecenal (2-, 10-), 2,4-octadienal, Nonenal (2-, 6-),Decenal (2-, 4-), 2,4-hexadienal, 2,4-Decadienal, 2,6-Nonadienal,Octenal, 2,6-dimethyl 5-heptenal, 2-isopropyl-5-methyl-2-hexenal,Trifernal, beta methyl Benzenepropanal,2,6,6-Trimethyl-1-cyclohexene-1-acetaldehyde, phenyl Butenal (2-phenyl2-butenal), 2.Methyl-3(p-isopropylphenyl)-propionaldehyde,3-(p-isopropylphenyl)-propionaldehyde, p-Tolylacetaldehyde(4-methylphenylacetaldehyde), Anisaldehyde (p-methoxybenzene aldehyde),Benzaldehyde, Vernaldehyde(1-Methyl-4-(4-methylpentyl)-3-cyclohexenecarbaldehyde), Heliotropin(piperonal) 3,4-Methylene dioxy benzaldehyde, alpha-Amylcinnamicaldehyde, 2-pentyl-3-phenylpropenoic aldehyde, Vanillin (4-methoxy3-hydroxy benzaldehyde), Ethyl vanillin (3-ethoxy4-hydroxybenzaldehyde), Hexyl Cinnamic aldehyde, Jasmonal H(alpha-n-hexyl-cinnamaldehyde), Floralozone,(para-ethyl-alpha,alpha-dimethyl Hydrocinnamaldehyde), Acalea(p-methyl-alpha-pentylcinnamaldehyde), methylcinnamaldehyde,alpha-Methylcinnamaldehyde (2-methyl 3-pheny propenal),alpha-hexylcinnamaldehyde (2-hexyl 3-phenyl propenal), Salicylaldehyde(2-hydroxy benzaldehyde), 4-ethyl benzaldehyde, Cuminaldehyde(4-isopropyl benzaldehyde), Ethoxybenzaldehyde,2,4-dimethylbenzaldehyde, Veratraldehyde (3,4-dimethoxybenzaldehyde),Syringaldehyde (3,5-dimethoxy 4-hydroxybenzaldehyde), Catechaldehyde(3,4-dihydroxybenzaldehyde), Safranal (2,6,6-trimethyl-1,3-dienemethanal), Myrtenal (pin-2-ene-1-carbaldehyde), PerillaldehydeL-4(1-methylethenyl)-1-cyclohexene-1-carboxaldehyde),2,4-Dimethyl-3-cyclohexene carboxaldehyde, 2-Methyl-2-pentenal,2-methylpentenal, pyruvaldehyde, formyl Tricyclodecan, Mandarinaldehyde, Cyclemax, Pino acetaldehyde, Corps Iris, Maceal, and Corps4322.

In one embodiment, the malodor control component includes a mixture oftwo or more volatile aldehydes selected from the group consisting of2-ethoxy Benzylaldehyde, 2-isopropyl-5-methyl-2-hexenal, 5-methylFurfural, 5-methyl-thiophene-carboxaldehyde, Adoxal, p-anisaldehyde,Benzylaldehyde, Bourgenal, Cinnamic aldehyde, Cymal, Decyl aldehyde,Floral super, Florhydral, Helional, Lauric aldehyde, Ligustral, Lyral,Melonal, o-anisaldehyde, Pino acetaldehyde, P.T. Bucinal, Thiophenecarboxaldehyde, trans-4-Decenal, trans trans 2,4-Nonadienal, Undecylaldehyde, and mixtures thereof.

In some embodiments, the malodor control component includes fastreacting volatile aldehydes. “Fast reacting volatile aldehydes” refersto volatile aldehydes that either (1) reduce amine odors by 20% or morein less than 40 seconds; or (2) reduce thiol odors by 20% or more inless than 30 minutes.

In one embodiment, the malodor control component includes a mixture ofthe volatile aldehydes listed in Table 1 and referred to herein asAccord A.

TABLE 1 Accord A ClogP VP (torr) Material Wt. % CAS Number Group @25° C.Intreleven Aldehyde 5.000 112-45-8 3 0.060 Florhydral 10.000 125109-85-54 0.008 Floral Super 25.000 71077-31-1 3 0.030 Scentenal 10.00086803-90-9 2 0.010 Cymal 25.000 103-95-7 4 0.007 o-anisaldehyde 25.000135-02-4 1 0.032

In another embodiment, the malodor control component includes a mixtureof the volatile aldehydes listed in Table 2 and referred to herein asAccord B.

TABLE 2 Accord B ClogP VP (torr) Material Wt. % CAS Number Group @25° C.Intreleven Aldehyde 2.000 112-45-8 3 0.060 Florhydral 20.000 125109-85-54 0.008 Floral Super 10.000 71077-31-1 3 0.030 Scentenal 5.00086803-90-9 2 0.010 Cymal 25.000 103-95-7 4 0.007 Floralozone 10.00067634-14-4 4 0.005 Adoxal 1.000 141-13-9 4 0.007 Methyl Nonyl 1.000110-41-8 3 0.030 Acetaldehyde Melonal 1.000 106-72-9 3 0.670o-anisaldehyde 25.000 135-02-4 1 0.032

In another embodiment, the malodor control component includes a mixtureof about 71.2% volatile aldehydes, the remainder being other an esterand an alcohol perfume raw material. This mixture is listed in Table 3and referred to herein as Accord C.

TABLE 3 Accord C ClogP VP (torr) Material Wt. % CAS Number Group @25° C.Intreleven Aldehyde 2.000 112-45-8 3 0.060 Florhydral 10.000 125109-85-54 0.008 Floral Super 5.000 71077-31-1 3 0.030 Scentenal 2.000 86803-90-92 0.010 Cymal 15.000 103-95-7 4 0.007 Floralozone 12.000 67634-14-4 40.005 Adoxal 1.000 141-13-9 4 0.007 Methyl Nonyl 1.000 110-41-8 3 0.030Acetaldehyde Melonal 1.000 106-72-9 3 0.670 Flor Acetate 11.8005413-60-5 1 0.060 Frutene 7.000 17511-60-3 4 0.020 Helional 5.0001205-17-0 2 0.0005 Bourgeonal 2.000 18127-01-0 4 0.004 Linalool 10.00078-70-6 3 0.050 Benzaldehyde 0.200 100-52-7 1 1.110 o-anisaldehyde15.000 135-02-4 1 0.320

Accords A, B, or C can be formulated in with other perfume raw materialsin an amount, for example, of about 10% by weight of the malodor controlcomponent. Additionally, the individual volatile aldehydes or a variouscombination of the volatile aldehydes can be formulated into a malodorcontrol component. In certain embodiments, the volatile aldehydes may bepresent in an amount up to 100%, by weight of the malodor controlcomponent, alternatively from 1% to about 100%, alternatively from about2% to about 100%, alternatively from about 3% to about 100%,alternatively about 50% to about 100%, alternatively about 70% to about100%, alternatively about 80% to about 100%, alternatively from about 1%to about 20%, alternatively from about 1% to about 10%, alternativelyfrom about 1% to about 5%, alternatively from about 1% to about 3%,alternatively from about 2% to about 20%, alternatively from about 3% toabout 20%, alternatively from about 4% to about 20%, alternatively fromabout 5% to about 20%, by weight of the composition.

In some embodiments where volatility is not important for neutralizing amalodor, the present invention may include poly-aldehydes, for example,di-, tri-, tetra-aldehydes. Such embodiments may include laundrydetergents, additive, and the like for leave-on, through the wash, andrinse-off type of applications.

2. Acid Catalyst

The malodor control component of the present invention may include aneffective amount of an acid catalyst to neutralize sulfur-basedmalodors. It has been found that certain mild acids have an impact onaldehyde reactivity with thiols in the liquid and vapor phase. It hasbeen found that the reaction between thiol and aldehyde is a catalyticreaction that follows the mechanism of hemiacetal and acetal formationpath. When the present malodor control component contains an acidcatalyst and contacts a sulfur-based malodor, the volatile aldehydereacts with thiol. This reaction may form a thiol acetal compound, thus,neutralizing the sulfur-based odor. Without an acid catalyst, onlyhemi-thiol acetal is formed.

Suitable acid catalysts have a VP, as reported by Scifinder, in therange of about 0.001 torr to about 38 torr, measured at 25° C.,alternatively about 0.001 torr to about 14 torr, alternatively fromabout 0.001 to about 1, alternatively from about 0.001 to about 0.020,alternatively about 0.005 to about 0.020, alternatively about 0.010 toabout 0.020.

The acid catalyst may be a weak acid. A weak acid is characterized by anacid dissociation constant, K_(a), which is an equilibrium constant forthe dissociation of a weak acid; the pKa being equal to minus thedecimal logarithm of K_(a). The acid catalyst may have a pKa from about4.0 to about 6.0, alternatively from about 4.3 and 5.7, alternativelyfrom about 4.5 to about 5, alternatively from about 4.7 to about 4.9.Suitable acid catalyst include those listed in Table 4.

TABLE 4 VP (torr) @ Material 25° C. Formic Acid 36.5 Acetic Acid 13.9Trimethyl Acetic Acid 0.907 Phenol (alkaline in liquid apps yet 0.610acidic in vapor phase) Tiglic acid 0.152 Caprylic acid 0.0222 5-Methylthiophene carboxylic acid 0.019 Succinic acid 0.0165 Benzoic acid 0.014Mesitylenic acid 0.00211

Depending on the desired use of the malodor control component, one mayconsider the scent character or the affect on the scent of the malodorcontrol component when selecting an acid catalyst. In some embodimentsof the malodor control component, it may be desirable to select an acidcatalyst that provides a neutral to pleasant scent. Such acid catalystsmay have a VP of about 0.001 torr to about 0.020 torr, measured at 25°C., alternatively about 0.005 torr to about 0.020 torr, alternativelyabout 0.010 torr to about 0.020 torr. Non-limiting examples of such acidcatalyst include 5-methyl thiophene carboxaldehyde with carboxylic acidimpurity, succinic acid, or benzoic acid.

The malodor control component may include about 0.05% to about 5%,alternatively about 0.1% to about 1.0%, alternatively about 0.1% toabout 0.5%, alternatively about 0.1% to about 0.4%, alternatively about0.4% to about 1.5%, alternatively about 0.4% of an acid catalyst byweight of the malodor control component.

In an acetic acid system, the present malodor control component mayinclude about 0.4% of acetic acid (50:50 TC:DPM, 0.4% acetic acid).

TABLE 5 % Butanethiol Actual % acetic reduction @ Sample Formulated acidin DPM 30 min. 50:50 TC:DPM 0% Acetic Acid 0.00 12.00 50:50 TC:DPM 0.05%Acetic Acid 0.04 14.65 50:50 TC:DPM 0.1% Acetic Acid 0.10 25.66 50:50TC:DPM 0.2% Acetic Acid 0.42 34.68 50:50 TC:DPM 0.5% Acetic Acid 1.0024.79 50:50 TC:DPM 1.0% Acetic Acid 2.00 7.26

When an acid catalyst is present with a volatile aldehyde (or RA), theacid catalyst may increase the efficacy of the volatile aldehyde onmalodors in comparison to the malodor efficacy of the volatile aldehydeon its own. For example, 1% volatile aldehyde and 1.5% benzoic acidprovides malodor removal benefit equal to or better than 5% volatilealdehyde alone.

The malodor control component may have a pH from about 3 to about 8,alternatively from about 4 to about 7, alternatively from about,alternatively from about 4 to about 6.

3. Optional Ingredients

The malodor control component may, optionally, include odor maskingagents, odor blocking agents, and/or diluents. For example, the malodorcontrol component may include a mixture of volatile aldehydes forneutralizing a malodor, perfume ionones, and a diluent. Alternatively,the malodor control component may include 100% volatile aldehydes.

“Odor-masking agents” refer to known compounds (e.g. perfume rawmaterials) that mask or hide a malodorous compound. Odor-masking mayinclude a compound with a non-offensive or pleasant smell that is dosedsuch it limits the ability to sense a malodorous compound. Odor-maskingmay involve the selection of compounds which coordinate with ananticipated malodor to change the perception of the overall scentprovided by the combination of odorous compounds.

“Odor blocking agents” refer to known compounds that dull the humansense of smell.

Exemplary diluents include dipropylene glycol methyl ether, and3-methoxy-3-methyl-1-butanol, and mixtures thereof.

The malodor control component may also, optionally, include perfume rawmaterials that solely provide a hedonic benefit (i.e. that do notneutralize malodors yet provide a pleasant fragrance). Suitable perfumesare disclosed in U.S. Pat. No. 6,248,135, which is incorporated in itsentirety by reference.

II. Method of Laundering a Fabric

The method of laundering fabric typically comprises the step ofcontacting the composition to water to form a wash liquor, andlaundering fabric in said wash liquor, wherein typically the wash liquorhas a temperature of above 0° C. to 90° C., or to 60° C., or to 40° C.,or to 30° C., or to 20° C., or to 10° C., or even to 8° C. The fabricmay be contacted to the water prior to, or after, or simultaneous with,contacting the laundry detergent composition with water. The compositioncan be used in pre-treatment applications.

Typically, the wash liquor is formed by contacting the laundry detergentto water in such an amount so that the concentration of laundrydetergent composition in the wash liquor is from above 0 g/l to 5 g/l,or from 1 g/l, and to 4.5 g/l, or to 4.0 g/l, or to 3.5 g/l, or to 3.0g/l, or to 2.5 g/l, or even to 2.0 g/l, or even to 1.5 g/l.

The method of laundering fabric may be carried out in a top-loading orfront-loading automatic washing machine, or can be used in a hand-washlaundry application. In these applications, the wash liquor formed andconcentration of laundry detergent composition in the wash liquor isthat of the main wash cycle. Any input of water during any optionalrinsing step(s) is not included when determining the volume of the washliquor.

The wash liquor may comprise 40 litres or less of water, or 30 litres orless, or 20 litres or less, or 10 litres or less, or 8 litres or less,or even 6 litres or less of water. The wash liquor may comprise fromabove 0 to 15 litres, or from 2 litres, and to 12 litres, or even to 8litres of water.

Typically from 0.01 kg to 2 kg of fabric per litre of wash liquor isdosed into said wash liquor. Typically from 0.01 kg, or from 0.05 kg, orfrom 0.07 kg, or from 0.10 kg, or from 0.15 kg, or from 0.20 kg, or from0.25 kg fabric per litre of wash liquor is dosed into said wash liquor.

Optionally, 50 g or less, or 45 g or less, or 40 g or less, or 35 g orless, or 30 g or less, or 25 g or less, or 20 g or less, or even 15 g orless, or even 10 g or less of the composition is contacted to water toform the wash liquor.

The compositions herein may be packaged in any suitable container, suchas bottles, alternatively plastic bottles, optionally equipped with anelectrical or manual trigger spray-head.

EXAMPLES

The examples herein are meant to exemplify the present invention but arenot necessarily used to limit or otherwise define the scope of thepresent invention. All numerical values in the below examples are weight%, by total weight of the composition unless otherwise stated.

Ingredient Amount (in wt %) Anionic detersive surfactant (such as alkylbenzene from 8 wt % to 15 wt % sulphonate, alkyl ethoxylated sulphateand mixtures thereof) Non-ionic detersive surfactant (such as alkylethoxylated from 0.5 wt % to 4 wt % alcohol) Cationic detersivesurfactant (such as quaternary ammonium from 0 to 4 wt % compounds)Other detersive surfactant (such as zwiterionic detersive from 0 wt % to4 wt % surfactants, amphoteric surfactants and mixtures thereof)Carboxylate polymer (such as co-polymers of maleic acid and from 1 wt %to 4 wt % acrylic acid) Polyethylene glycol polymer (such as apolyethylene glycol from 0.5 wt % to 4 wt % polymer comprising polyvinyl acetate side chains) Polyester soil release polymer (such asRepel-o-tex and/or from 0.1 to 2 wt % Texcare polymers) Cellulosicpolymer (such as carboxymethyl cellulose, methyl from 0.5 wt % to 2 wt %cellulose and combinations thereof) Other polymer (such as aminepolymers, dye transfer from 0 wt % to 4 wt % inhibitor polymers,hexamethylenediamine derivative polymers, and mixtures thereof) Zeolitebuilder and phosphate builder (such as zeolite 4A from 0 wt % to 4 wt %and/or sodium tripolyphosphate) Other builder (such as sodium citrateand/or citric acid) from 0 wt % to 3 wt % Carbonate salt (such as sodiumcarbonate and/or sodium from 15 wt % to 30 wt % bicarbonate) Silicatesalt (such as sodium silicate) from 0 wt % to 10 wt % Filler (such assodium sulphate and/or bio-fillers) from 10 wt % to 40 wt % Source ofavailable oxygen (such as sodium percarbonate) from 10 wt % to 20 wt %Bleach activator (such as tetraacetylethylene diamine (TAED) from 2 wt %to 8 wt % and/or nonanoyloxybenzenesulphonate (NOBS) Bleach catalyst(such as oxaziridinium-based bleach catalyst from 0 wt % to 0.1 wt %and/or transition metal bleach catalyst) Other bleach (such as reducingbleach and/or pre-formed from 0 wt % to 10 wt % peracid) Chelant (suchas ethylenediamine-N′N′-disuccinic acid from 0.2 wt % to 1 wt % (EDDS)and/or hydroxyethane diphosphonic acid (HEDP) Photobleach (such as zincand/or aluminium sulphonated from 0 wt % to 0.1 wt % phthalocyanine)Hueing agent (such as direct violet 99, acid red 52, acid blue from 0 wt% to 1 wt % 80, direct violet 9, solvent violet 13 and any combinationthereof) Brightener (such as brightener 15 and/or brightener 49) from0.1 wt % to 0.4 wt % Protease (such as Savinase, Savinase Ultra,Purafect, FN3, from 0.1 wt % to 0.4 wt % FN4 and any combinationthereof) Amylase (such as Termamyl, Termamyl ultra, Natalase, from 0.05wt % to 0.2 wt % Optisize, Stainzyme, Stainzyme Plus and any combinationthereof) Cellulase (such as Carezyme and/or Celluclean) from 0.05 wt %to 0.2 wt % Lipase (such as Lipex, Lipolex, Lipoclean and any from 0.2to 1 wt % combination thereof) Other enzyme (such as xyloglucanase,cutinase, pectate lyase, from 0 wt % to 2 wt % mannanase, bleachingenzyme) Fabric softener (such as montmorillonite clay and/or from 0 wt %to 4 wt % polydimethylsiloxane (PDMS) Flocculant (such as polyethyleneoxide) from 0 wt % to 1 wt % Suds suppressor (such as silicone and/orfatty acid) from 0 wt % to 0.1 wt % Perfume (such as perfumemicrocapsule, spray-on perfume, from 0.1 wt % to 1 wt % starchencapsulated perfume accords, perfume loaded zeolite, and anycombination thereof) Aesthetics (such as coloured soap rings and/orcoloured from 0 wt % to 1 wt % speckles/noodles) Miscellaneous balance

Ingredient wt % Linear alkyl benzene sulphonic acid (HLAS) 11 C1214alkyl ethoxylated alcohol having an average degree of 2 ethoxylation of9 (AE9) C1214 alkyl ethoxylated sulphonic acid having an average 23degree of ethoxylation of 3 (HAES) C1617alkyl mid chain branched alkylsulphate 4 Amine oxide 1 C1218 fatty acid 2 Protease 2 Natalase 0.9 PE20polymer 3 Polyethylene imine polymer 3 Chelant 1.4 FWA 15 Brightener 0.4p-glycol 8 DEG 0.5 Ethanol 3 Monoethanolamine 6 Water 26 NaOH 0.3Perfume 1 Silicone suds suppressor 0.06 Violet DD dye 0.01 Other dyes0.03 Hydrogenated castor oil 0.1 Mica 0.2 Calcium formate 0.1 Sodiumformate 0.2 Miscellaneous to 100

Analytical Test—Effect of Volatile Aldehydes on Amine-Based andSulfur-Based Malodors

Malodor standards are prepared by pipeting 1 mL of butylamine(amine-based malodor) and butanethiol (sulfur-based malodor) into a 1.2liter gas sampling bag. The bag is then filled to volume with nitrogenand allowed to sit for at least 12 hours to equilibrate.

A 1 μL sample of each volatile aldehyde listed in Table 6 and of eachAccord (A, B, and C) listed in Tables 1 to 3 is pipeted into individual10 mL silanized headspace vials. The vials are sealed and allowed toequilibrate for at least 12 hours. Repeat 4 times for each sample (2 forbutylamine analysis and 2 for butanethiol analysis).

After the equilibration period, 1.5 mL of the target malodor standard isinjected into each 10 mL vial. For thiol analysis, the vials containinga sample+malodor standard are held at room temperature for 30 minutes.Then, a 1 mL headspace syringe is then used to inject 250 μL of eachsample/malodor into a GC/MS split/splitless inlet. For amine analysis, a1 mL headspace syringe is used to inject 500 μL of each sample/malodorimmediately into the GC/MS split/splitless inlet. A GC pillow is usedfor the amine analysis to shorten the run times.

Samples are then analyzed using a GC/MS with a DB-5, 20 m, 1 μm filmthickness column with an MPS-2 autosampler equipment with staticheadspace function. Data is analyzed by ion extraction on each total ioncurrent (56 for thiol and 30 for amine) and the area is used tocalculate the percent reduction from the malodor standard for eachsample.

Table 6 shows the effect of certain volatile aldehydes on neutralizingamine-based and sulfur based malodors at 40 seconds and 30 minutes,respectively.

TABLE 6 At least 20% At least 20% butylamine butanethiol reduction atreduction at Perfume Raw Material (R—CHO) 40 secs.? 30 mins.? 2,4,5Trimethoxy Benzaldehyde No No 2,4,6-Trimethoxy-benzylaldehyde No No2-ethoxy benzylaldehyde Yes Yes 2-isopropyl-5-methyl-2-hexenal Yes Yes2-methyl-3-(2-furyl)-propenal No No 3,4,5 Trimethoxy Benzaldehyde No No3,4-Trimethoxy-benzylaldehyde No No 4-tertbutyl benzylaldehyde Yes No5-methyl furfural Yes Yes 5-methyl-thiophene-carboxaldehyde No YesAdoxal Yes No Amyl cinnamic aldehyde No No Benzylaldehyde Yes NoBourgenal No Yes Cinnamic aldehyde Yes Yes Citronelyl Oxyacetaldehyde NoNo Cymal Yes No Decyl aldehyde Yes No Floral Super Yes Yes FlorhydralYes Yes Floralozone No No Helional Yes No Hydroxycitronellal No NoLauric aldehyde Yes No Ligustral Yes No Lyral Yes No Melonal Yes NoMethyl nonyl acetaldehyde No No o-anisaldehyde Yes Yes p-anisaldehydeYes No Pino acetaldehyde Yes Yes P.T. Bucinal Yes No ThiopheneCarboxaldehyde Yes No Trans-4-decenal Yes Yes Trans Trans 2,4-NonadienalYes No Undecyl aldehyde Yes No

Table 7 shows the percent reduction of butylamine and butaniethiol at 40seconds and 30 minutes, respectively, for Accords A, B, and C.

TABLE 7 % reduction of % reduction of butylamine at butanethiol atAccord 40 secs. 30 mins. Accord A 76.58 25.22 Accord B 51.54 35.38Accord C 65.34 24.98

Analytical Test—Effect of Acid Catalysts on Sulfur-Based Malodors

The above analytical test is repeated using samples containing an acidcatalyst to test their effect on sulfur-based malodors. Specifically, a1 μL aliquot of each of the following controls and acid catalyst samplesare pipeted into individual 10 mL silanized headspace vials induplicate: thiophene carboxyaldehyde as a control; a 50/50 mixture ofthiophene carboxaldehyde and each of the following acid catalysts at0.04%, 0.10%, 0.43% in DPM, 1.02% in DPM, and 2.04% in DPM: phenol,mesitylenic acid, caprylic acid, succinic acid, pivalic acid, tiglicacid, and benzoic acid.

FIG. 1 demonstrates that low vapor pressure acid catalysts provide up to3 times better reduction of sulfur-based malodors in comparison to thecontrol.

Analytical Test—Effect of Volatile Aldehydes and Acid Catalyst onAmine-Based and Sulfur-Based Malodors

The above analytical test is repeated using sample formulationscontaining volatile aldehydes (or RA) and an acid catalyst, as outlinedin Tables 8 and 9.

Tables 8 and 9 show that a perfume mixture having as little as 1%volatile aldehyde along with 1.5% acid catalyst performs better atreducing butylamine and butanethiol than the same perfume mixture having5% volatile aldehyde.

TABLE 8 % butylamine % butanethiol reduction at reduction at Formulation40 secs. 30 mins. Perfume Mixture w/ 5% RA 34.21 — 2.40 — (Control)Perfume Mixture w/ 1% RA and 41.63 +7.42 11.95 +9.55 w/ 1.5% BenzoicAcid Perfume Mixture w/ 3% RA and 36.19 +1.98 13.56 +11.16 w/ 1.5%Benzoic Acid Perfume A Mixture w/ 5% RA and 41.26 +7.05 9.56 +5.02 w/1.5% Benzoic Acid

TABLE 9 % butylamine % butanethiol Reduction at reduction at Formulation40 secs. 30 mins Perfume mixture w/ 5% RA 4.94 — 10.52 — (Control)Perfume mixture w/ 1% RA and 11.61 +6.67 18.82 +8.30 w/ 1.5% BenzoicAcid Perfume mixture w/ 3% RA and 26.89 +21.95 14.85 +4.33 w/ 1.5%Benzoic Acid Perfume mixture w/ 5% RA and 20.27 +15.33 16.84 +6.32 w/1.5% Benzoic Acid

The dimensions and values disclosed herein are not to be understood asbeing strictly limited to the exact numerical values recited. Instead,unless otherwise specified, each such dimension is intended to mean boththe recited value and a functionally equivalent range surrounding thatvalue. For example, a dimension disclosed as “40 mm” is intended to mean“about 40 mm.”

Every document cited herein, including any cross referenced or relatedpatent or application, is hereby incorporated herein by reference in itsentirety unless expressly excluded or otherwise limited. The citation ofany document is not an admission that it is prior art with respect toany invention disclosed or claimed herein or that it alone, or in anycombination with any other reference or references, teaches, suggests,or discloses any such invention. Further, to the extent that any meaningor definition of a term in this document conflicts with any meaning ordefinition of the same term in a document incorporated by reference, themeaning or definition assigned to that term in this document shallgovern.

While particular embodiments of the present invention have beenillustrated and described, it would be obvious to those skilled in theart that various other changes and modifications can be made withoutdeparting from the spirit and scope of the invention. It is, therefore,intended to cover in the appended claims all such changes andmodifications that are within the scope of this invention.

1. A detergent laundry composition comprising: (a) a detersivesurfactant comprising anionic detersive surfactant and non-ionicsurfactant, wherein the weight ratio of anionic detersive surfactant tonon-ionic detersive surfactant is greater than 1:1; and optionallywherein the anionic detersive surfactant has a hydrophilic index(HI_(C)) of from 8.0 to 9.1; (b) surfactancy boosting polymer; (c) from0 wt % to 5 wt % fatty acid; (d) silicone suds suppressor; (e)structurant; (f) enzymes; and (g) non-boron enzyme stabilizer; (h) amalodor control component comprising an effective amount of two or morevolatile aldehydes for neutralizing a malodor, wherein said two or morevolatile aldehydes are selected from the group consisting of 2-ethoxybenzylaldehyde, 2-isopropyl-5-methyl-2-hexenal, 5-methyl furfural,5-methyl-thiophene-carboxaldehyde, adoxal, p-anisaldehyde,benzylaldehyde, bourgenal, cinnamic aldehyde, cymal, decyl aldehyde,floral super, florhydral, helional, lauric aldehyde, ligustral, lyral,melonal, o-anisaldehyde, pino acetaldehyde, P.T. bucinal, thiophenecarboxaldehyde, trans-4-decenal, trans trans 2,4-nonadienal, undecylaldehyde, and mixtures thereof; wherein the electrolytic strength of thecomposition at a concentration of 1 g/l in de-ionized water and at atemperature of 25° C. in mScm⁻¹ is less than 200 mScm⁻¹.
 2. Thecomposition of claim 1 wherein said two or more volatile aldehydes areselected from the group consisting of 2-ethoxy benzylaldehyde,2-isopropyl-5-methyl-2-hexenal, 5-methyl furfural, cinnamic aldehyde,floral super, florhydral, o-anisaldehyde, pino acetaldehyde,trans-4-decenal, and mixtures thereof.
 3. The composition of claim 1wherein said two or more volatile aldehydes comprise flor super ando-anisaldehyde.
 4. The composition of claim 1 wherein said two or morevolatile aldehydes have a VP from about 0.001 torr to about 0.100 torr.5. The composition of claim 1 wherein said two or more volatilealdehydes comprise about 25% of quad I volatile aldehydes, by weight ofsaid malodor control component.
 6. The composition of claim 1 whereinsaid mixture of two or more volatile aldehydes comprise about 10% ofquad II volatile aldehydes, by weight of said malodor control component.7. The composition of claim 1 wherein said mixture of two or morevolatile aldehydes comprise from about 10% to about 30% of quad IIIvolatile aldehydes, by weight of said malodor control component.
 8. Thecomposition of claim 1 wherein said mixture of two or more volatilealdehydes comprise from about 35% to about 60% of quad IV volatilealdehydes, by weight of said malodor control component.
 9. Thecomposition of claim 1 wherein said two or more volatile aldehydes isselected from the group consisting of: Accord A, Accord B, Accord C, andmixtures thereof.
 10. The composition of claim 1 wherein said two ormore volatile aldehydes comprise about 1% to about 10% of Accord A, byweight of said malodor control component.
 11. The composition of claim 1wherein said composition has a pH of above about
 2. 12. The compositionof claim 1 wherein said two or more volatile aldehydes comprise three ormore volatile aldehydes having a VP of about 0.001 torr to about 0.100torr.
 13. The composition of claim 1 wherein said two or more volatilealdehydes are present in an amount from about 0.015% to about 1%, byweight of said detergent laundry composition.
 14. The composition ofclaim 1 wherein said malodor control component further comprises an acidcatalyst having a vapor pressure of about 0.01 to about 13 at 25° C. 15.The composition of claim 1 wherein said composition further comprisesuncomplexed cyclodextrin.
 16. The composition of claim 1 wherein saidcomposition further comprises a water-soluble metallic salt selectedfrom the group consisting of: zinc salts, copper salts, and mixturesthereof.
 17. A detergent laundry composition comprising: (a) detersivesurfactant comprising anionic detersive surfactant and non-ionicsurfactant, wherein the weight ratio of anionic detersive surfactant tonon-ionic detersive surfactant is greater than 1:1; (b) surfactancyboosting polymer; (c) from 0 wt % to 10 wt % fatty acid; (d) siliconesuds suppressor; (e) structurant; (f) enzyme; and (g) nil-boron enzymestabilizer; (h) a malodor control component comprising: (i) at least onevolatile aldehyde; and (ii) an acid catalyst having a vapor pressure ofabout 0.01 to about 13 at 25° C.; wherein the electrolytic strength ofthe composition at a concentration of 1 g/l in de-ionized water and at atemperature of 25° C. in mScm⁻¹ is less than 200 mScm⁻¹.
 18. Thecomposition of claim 17 wherein said at least one volatile aldehyde hasa VP of about 0.001 to about 50 torr.
 19. The composition of claim 17wherein said at least one volatile aldehyde has a VP of about 0.001 torrto about 15 torr.
 20. The composition of claim 17 wherein said at leastone volatile aldehyde is selected from the group consisting of 2-ethoxybenzylaldehyde, 2-isopropyl-5-methyl-2-hexenal, 5-methyl furfural,5-methyl-thiophene-carboxaldehyde, adoxal, p-anisaldehyde,benzylaldehyde, bourgenal, cinnamic aldehyde, cymal, decyl aldehyde,floral super, florhydral, helional, lauric aldehyde, ligustral, lyral,melonal, o-anisaldehyde, pino acetaldehyde, P.T. bucinal, thiophenecarboxaldehyde, trans-4-decenal, trans trans 2,4-nonadienal, undecylaldehyde, and mixtures thereof.
 21. The composition of claim 17 whereinsaid at least one volatile aldehyde is selected from the groupconsisting of flor super, o-anisaldehyde, and mixtures thereof.
 22. Thecomposition of claim 17 wherein said at least one volatile aldehyde ispresent in an amount from about 1% to about 10%, by weight of saidmalodor control component.
 23. The composition of claim 17 wherein saidat least one volatile aldehyde is present in an amount from about 0.015%to about 1%, by weight of said detergent laundry composition.
 24. Thecomposition of claim 17 wherein said at least one volatile aldehydecomprises a mixture of volatile aldehydes selected from the groupconsisting of Accord A, Accord B, Accord C, and mixtures thereof. 25.The composition of claim 17 wherein said at least one volatile aldehydeis present in an amount from about 1% to about 5%, by weight of saidmalodor control component, and said acid catalyst is present in anamount of about 0.4% to about 1.5%, by weight of said malodor controlcomponent.
 26. The composition of claim 17 wherein said acid catalyst ispresent in an amount from about 0.1% to about 0.4%, by weight of saidmalodor control composition.
 27. The composition of claim 17 whereinsaid acid catalyst has a vapor pressure of about 0.01 to about 2 torr at25° C.
 28. The composition of claim 17 wherein said acid catalyst is acarboxylic acid.
 29. The composition of claim 17 wherein said acidcatalyst is 5-methyl thiophene carboxylic acid.
 30. A method oflaundering a fabric, comprising the steps of: (a) applying the detergentlaundry composition according to claim 1 onto said fabric or saidobject; (b) leaving said composition on said fabric to act; optionallywiping said fabric or object and/or providing mechanical agitation, andthen rinsing said fabric.